ReiserFS on a Linux mail server

[Jeff Gray]

Greetings all. I am an experienced Windows NT administrator (go ahead and 
let it out now) making the transition to Linux. I have been assigned to a 
team who are going to be migrating Exchange servers to Linux servers running 
Postfix, Cyrus and Amavisd-new for spam and virus filtering. Currently all 
options are being evaluated right now so I would like to take the initiative 
and set up my own test server so I can start learning the concepts inside 
out. I already have the hardware ready..... 1 Ghz P3, 1 gig ram, 4 ATA133 
drives, 3ware RAID adapter.

I have been doing a lot of reading regarding the journaling filesystems 
available for Linux. Here is the conclusion that I have reached: ext3 is 
basically ext2 with journaling added on top. XFS is well suited for 
environments where very large files are going to be served. ReiserFS has 
been optimized to handle small files in a very efficient manner and thus is 
a great candidate for an all around general mail, apache and samba server.

I was mainly deciding between ReiserFS and XFS but so far I'm leaning 
towards the former. My question is to other mail administrators either 
running Postfix, Cyrus or both....... from your experiences what have you 
learned about dealing with ReiserFS version 3? Are there some special 
filesystem optimizations that you would like to share with the list? I 
forgot to mention that I will be utilizing LVM on my test server as well. 
Any comments or suggestions? Thank you for taking the time to read this!

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